Tire sidewall



FIG. 1 is a perspective view of a tire sidewall showing my new design; and,

FIG. 2 is a front elevational view thereof.

In the drawings, the broken lines showing of the tire tread, inner bead and the peripheral boundary between the tire tread and the sidewall in FIGS. 1 and 2 depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a tire sidewall, as shown and described. 